#pragma once
#include<iostream>
#include"observer.h"
#include"subject.h"

class ConcreteObesrverA :public Observer
{
public:
	ConcreteObesrverA(Subject* pSubject) :pSubject(pSubject) {}
	_declspec(dllexport) void update(int value);
private:
	Subject* pSubject;
};